Mazzer Major single dose chute - replacement for doser
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A cover for coffee grinder Mazzer Major that replaces the original doser. Cover accepts 28 mm tube as a chute.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Kitchen
- Licencja
- Creative Commons — Attribution — Noncommercial — Share Alike
Make your brutal grinder, the ominous Mazzer Major, single-dose! With this replacement, the beast becomes relevant again in the world of the third-wave coffee. And you can enjoy the pleasure and speed of those 83 mm burrs in top-notch espresso made of purely fresh beans.
Works great with the antipopcorning hopper-bellow for single dosing:
https://www.printables.com/model/610158-mazzer-major-single-dose-hoper-and-bellow
With this, chute your grinder will grind directly into your portafilter always fresh beans with minimal possible retention due to:
- the chute is made of metal tubing (you can highly polish the inside of it)
- the metal tube is grounded - static electricity is not a problem
- the tube adheres directly to the cast body of the grinder with minimal seam
- the coffee grounds do not come into contact with printed plastic
The cover is inspired by the ChilesInAdobo's chute, then independently measured and modeled. It resulted in surprisingly similar parts.. :D
At the top, the cover is bolted to the body on the original mounting location for the doser (you can use the original screws).
At the bottom, there are adjacent holes at the cover and the grinder body. You can:
- tap the printed cover and screw it to the grinder body from the bottom for very secure mounting
- glue pegs into the printed cover and slide them to the threaded holes of the grinder for easy removal for cleaning (verified - holds plenty enough)
From the motor side of the cover, there is room for a grounding wire to be soldered to the tube to minimize static. The other end of the cable can be bolted to the casting (the casting has a tapped hole where the cables for the doser were fixed originally).
The cover in the pictures was printed standing (as in use) with PLA with minimal supports around the chute opening, then sanded and spray painted with multiple layers of black and transparent acrylic paint.
Works like a charm, still a droplet of water to your beans and some knocking on the tube is a good idea. A bellow helps also.
Enjoy your cup!